Ultra Tour des 4 Massifs

Ut4M 50 Belledonne

Saturday, July 18, 2026 at 8:00 AM · Rioupéroux

42.1 KM
Distance
2,800 M D+
Elevation Gain
3,100 M D-
Elevation Loss
Route
Profile

TERRAIN — 45°05′N · 5°54′E

Under your feet

Surface

Way type

TrailSight+

Unlock the full picture of this course

Get the climbs, the descents, the effort split, the longest stretch without aid — every metric a trail runner needs to plan a race.

  • Top climbs, average and max gradients
  • Longest and steepest descents
  • Effort split by thirds and hardest km
  • Longest stretch without aid and spacing stats
  • Runnable sections and terrain mix
TrailSight+

Build your race plan with the roadbook

Set a target time or a cut-off margin and get the passage time at every checkpoint, with adjustable aid-station stops and shareable links.

  • Target finish time or margin on every cut-off
  • Aware of every aid station's cut-off
  • Pace adjusted by slope and fatigue
  • Editable pause per aid station
  • Shareable link for crew & pacers
Segments

Rioupéroux

Sat 08:00
Sat 08:00
Distance 0.0 km
Altitude 546 m
D+ 0 m
D- 0 m
8.1 km 1171 m 86 m
7.84 km/h (7:39/km) 2.32 km/h (25:52/km)

Arselle

Sat 09:02
Sat 11:30
Sat 11:30
Distance 8.1 km
Altitude 1,631 m
D+ 1171 m
D- 86 m
5.5 km 615 m 0 m
9.18 km/h (6:32/km) 3.16 km/h (18:59/km)

Croix de Chamrousse

Sat 09:38
Sat 13:15
Sat 13:15
Distance 13.6 km
Altitude 2,243 m
D+ 1786 m
D- 86 m
6.5 km 355 m 492 m
7.90 km/h (7:36/km) 3.71 km/h (16:10/km)

Refuge de la Pra

Sat 10:27
Sat 15:00
Sat 15:00
Distance 20.1 km
Altitude 2,106 m
D+ 2141 m
D- 581 m
12.7 km 579 m 1507 m
8.25 km/h (7:16/km) 3.61 km/h (16:37/km)

Col de Pre Long

Sat 11:59
Sat 18:30
Sat 18:30
Distance 32.8 km
Altitude 1,178 m
D+ 2720 m
D- 2088 m
7.9 km 64 m 997 m
11.60 km/h (5:10/km) 5.28 km/h (11:22/km)

Villard-Bonnot

Sat 12:40
Sat 20:00
Sat 20:00
Distance 40.7 km
Altitude 245 m
D+ 2784 m
D- 3085 m
1.4 km 0 m 23 m
19.16 km/h (3:08/km) 1.37 km/h (43:48/km)

Saint-Nazaire-les-Eymes

Sat 12:45
Sat 21:00
Sat 21:00
Distance 42.1 km
Altitude 222 m
D+ 2784 m
D- 3108 m

Heading to this race?

Get the GPX track, elevation profile and aid stations on your watch.

Login required

Log in to access this feature.

  Login
TrailSight+

Unlock GPX Export

Get the full GPX track with waypoints, aid stations and elevation data.

  Get TrailSight+

€4.99/month

Get this GPX track

Buy permanent access to this race's GPX track and waypoints.

or
  Get unlimited with TrailSight+

Export

Ut4M 50 Belledonne